Subaru Legacy 2003 Service Manual page 3399

POWER ASSISTED SYSTEM (POWER STEERING)
Fluid leaking area
Leakage from connecting portions of
pipes and hoses, numbered with (1)
through (11) in figure
Leakage from hose (12), (13) and
(14) in figure
Leakage from surrounding of cast iron
portion of oil pump (15) and (16) in
figure
Leakage from oil tank (17) and (18) in
figure
Leakage from filler neck (19)
Leakage from surrounding of power
cylinder of gearbox (20) in figure
Leakage from control valve of gear-
box (21) and (22) in figure
NOTE:
Fluid level is specified at optimum position (range) for ordinary use. Accordingly, if the vehicle is used often
under hard conditions such as on very rough roads or in mountainous areas, fluid may bleed out from cap air
vent hole. This is not a problem. If a customer complains strongly and is not likely to be satisfied with the leak-
age, lower the fluid level to the extent that fluid will not bleed out under the conditions described, and have
the customer check the fluid level and its quality more frequency than usual.
PIPE ASSEMBLY
Possible cause
Insufficient tightening of flare nut, catching
dirt or the like, damage to flare or flare nut or
eye bolt
Poor insertion of hose, poor clamping
Damaged O-ring or gasket
Crack or damage in hose
Crack or damage in hose hardware
Damaged O-ring
Damaged gasket
Crack in oil tank
Damaged cap packing
Crack in root of filler neck
High fluid level *1
Damaged oil seal
Damaged packing or oil seal
Damage in control valve
PS-78
Corrective action
Loosen and retighten, if ineffective,
replace.
Retighten or replace clamp.
Replace O-ring or gasket pipe or hose
with new one, if ineffective, replace gear-
box also.
Replace with a new one.
Replace with a new one.
Replace oil pump.
Replace oil pump.
Replace oil tank.
Replace cap.
Replace oil tank.
Adjust fluid level.
Replace oil seal.
Replace problem parts.
Replace control valve.